package main

import "fmt"

func main() {
	var i int32 = 100
	fmt.Printf("i = %v\n", i)
	fmt.Printf("i type is %T\n", i)

	var num1 int64 = 999999
	var num2 int8 = int8(num1)
	fmt.Println("num2 = ", num2) // 得到63，因为溢出造成丢失
}